A MEMS gyroscope uses segmented proof masses and pivot structures to enable anti-phase motion for precise angular velocity detection.
A spliceless attachment method aligns optical coil ends with phase modulators at non-perpendicular angles to secure connections without splicing.
Segmenting proof masses into a symmetric quartet with elongated elements rejects vibration noise and improves signal-to-noise ratio in automotive applications.
An intermediate movable member alleviates vibration force on a MEMS sensor, suppressing unnecessary transmission and improving detection accuracy.
Alternating phase and anti-phase drive signals cancel Coriolis accelerometer offset, eliminating null bias errors from manufacturing variations.
A circuit device outputs rotation number information in fixed-point notation with flexible integer and decimal parts.
A gimbal stabilization system computes drift rates from encoder readings to correct pointing errors during vehicle motion.
Alternating drive modes cancel bias and quadrature errors in asymmetric beams, improving measurement precision without strict alignment.
Array of four MEMS gyros uses common-mode transformation to separate and remove shared error signals from rotational motion data.
A three-axis MEMS gyroscope uses segmented mass blocks and elastic coupling structures to enable independent angular velocity detection along X, Y, and Z axes.
Segmented annular movable portions in MEMS sensors enable controlled vibration detection through radial structural support.
Applies common phase modulation with independent intensity modulations to counter-propagating laser beams in resonator fiber optic gyros.
Matching resonant frequency responses between proof masses enables vibration-induced bias cancellation, improving angular velocity measurement accuracy.
Asymmetric arm displacement allows precise detuning frequency adjustment without disturbing the balance of vibrating arms, maintaining sensor reliability.
Positioning heavy metal masses around the resonator periphery increases equivalent mass to extend ring down time in micro-scale gyroscopes.
A MEMS gyroscope drive signal uses a kicking frequency offset to initiate mechanical oscillation before engaging frequency tracking.
A closed-loop microelectromechanical gyroscope generates synchronized test signals to verify operating parameters during normal operation.